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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    <script>
        var arr = [
            function fn() {
                console.log("我是0");
            },
            function fn1() {
                console.log('我是1');
            }
        ]
        // for(var i = 0; i < arr.length;i++) {
        //     arr[i]();
        // }
        arr.forEach(function (ele, index) {
            // 数组的索引
            //    console.log(index);
            // 数组的值
            // console.log(ele);
            ele();
            // 加上小括号调用函数
        });
    </script>
</body>

</html>